It looks like there is a non-working iot integration example included in the latest BSEC release. For example: bsec_iot_init function (in bsec_integration.c) has many parameters like bus_read and bus_write, which are not used in the function. Instead those callbacks should be passed with "dev" structure. In bsec_iot_example.c "dev" structure is not even initialized, when calling mentioned init function. bsec_iot_example.ino seems better in that regard, but in any case - those examples seem unfinished.
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